package com.atguigu.ask;

import java.util.Arrays;

public class BubbleSort {
    public static void main(String[] args) {
        int[] arr = {4, 5, 6, 1};
        //从小到大
        for(int i=0; i<arr.length-1; i++){
            for(int j=1; j<arr.length-i; j++){
                if(arr[j-1] > arr[j]){
                    int temp = arr[j-1];
                    arr[j-1] = arr[j];
                    arr[j] = temp;
                }
            }
        }

        System.out.println(Arrays.toString(arr));
    }
}
